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Introduction to Linux - A Hands on Guide

This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.

I just did a new FC6 install with madwifi for my athena wifi card. I don't think this is wireless related, so hopefully this is the OK forum. I am a bit of a system config newb.

After much pain trying to get my wifi working, I think I've isolated the problem to not be the driver, but my dhcp config.

At bootup, my adapter [FAIL]s to get an IP. Once I login, I do a "ifconfig ath0 up", manually. Then I can iwconfig, and see that it's found the right network etc. I still can't ping anything.

Now I tried "dhclient". Immediately thereafter, I can't access the web, ping out, see good IP info in ifconfig. After a minute or so, I can no longer get out of my LAN - but I can still access my wireless router (internal LAN - this is why I don't think it's a wireless issue). Typing dhclient again doesn't help (although I get no error return). ifconfig still lists what I would expect my dhcp assigned IP address to correctly be. My windows laptop, on the same desk, is working fine, so the router is OK - and I can even ping my linux box (at the IP output from ifconfig) from my win laptop in this state (internal lan).

I'm embarrassed to say how long I've been trying to get this to work, so any help would be immensely appreciated!